20366442724 has 24 divisors (see below), whose sum is σ = 36229723488. Its totient is φ = 10016175360.

The previous prime is 20366442721. The next prime is 20366442737. The reversal of 20366442724 is 42724466302.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20366442721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59757 + ... + 210484.

It is an arithmetic number, because the mean of its divisors is an integer number (1509571812).

Almost surely, 2^20366442724 is an apocalyptic number.

It is an amenable number.

20366442724 is a deficient number, since it is larger than the sum of its proper divisors (15863280764).

20366442724 is a wasteful number, since it uses less digits than its factorization.

20366442724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270555 (or 270553 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 20366442724 in words is "twenty billion, three hundred sixty-six million, four hundred forty-two thousand, seven hundred twenty-four".